2019 hot sales Medium temperature Coal tar pitch as adhesive for carbon electrode

Definition: the pitch obtained from deep process of coal tar or general coal pitch.

Application courses: Coal Science and Technology (first-grade subject); Coal Utilization and Processing (Second grade subject); Coal reversion (third grade subject).

Physical and chemical properties:

It is black brittle solid at a normal temperature, glossy; odoriferous, toxic.

Boiling point: less than 470°C, flash point: 204.4°C, relative density (moisture=1): 1.15~1.25.

This product complies with YB/T5194-93 modified pitch standard.

Quality specification:

Name of specification: specification (first grade)

Soft point (ring and ball method), °C:80-90

Toluene insoluble matter, %:28-30

Quinoline insoluble matter, %: 8-14

Β-resin content, % ≥18

Coking value: % ≥48

Ash content: % ≤0.3

Moisture, % ≤5

Usage:

It is used in manufacturing pre-baked anode cells, high-power electrodes in electrolytic aluminum field, and it can also be used as electrode binder.